MCQ
During the race of complex compounds, finish line is fixed by the achieving $E.A.N.$ value equal to the atomic number of corresponding inert gas. Then which of the following complex is present at finish line
- A${\left[ {Co{{\left( {N{O_2}} \right)}_6}} \right]^{ - 4}}$
- ✓$\left[ {Mn{{\left( {CO} \right)}_5}} \right]$
- C${K_4}\left[ {Fe{{\left( {CN} \right)}_6}} \right]$
- D$F{e_3}{\left[ {Fe{{\left( {CN} \right)}_6}} \right]_2}$
